| http://www.w3.org/ns/prov#value | - lower pressure of e.g. 2-3 bar is injected into the material, the quantity of which is essentially the same as that of the CO2 gas consumed by the reaction, whereby the carbonation reaction is continued, then in a third zone CO2 gas under even lower pressure of e.g. 1-2 bar is injected into the mould space, whereby essentially full completion of the carbonation reaction is realized.
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